# Troubleshooting Source:
My SIM card or eSIM is not working, what can I do? As soon as you insert your SIM card into your cell phone in a covered country, it will connect directly to the best local network. \ If this is not the case, please check the following points: * Make sure you have enabled **data roaming** on your phone. \ **iPhone**: \ Settings > Mobile data > Mobile data options > Enable data roaming. \ **Android**: \ Settings > SIM card and mobile data > Select SIM card > Enable data roaming. * Make sure your phone is unlocked. If you have an iPhone, you can check in your settings: Settings > General > About > Check that there are no SIM restrictions in the Network provider lock section. If you have an Android, contact your operator. * Check that the APN settings are correct
My SIM or my eSIM is connected to a network but I cannot access the Internet If you are unable to access the Internet, check that the APN settings are correct. For Orange Holiday Europe or Orange Holiday World offers, the apn is as follows: * Access point name (or APN): orange * User name: (Leave Blank) * Password: (Leave Blank)
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